Home / 8,857,212.20-13,285,818.30-8,689,250.60

Finding the Fourth Proportional to 8,857,212.20, 13,285,818.30 and 8,689,250.60

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Solution

The fourth proportional to 8,857,212.20, 13,285,818.30 and 8,689,250.60 is: 13,033,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,212.20 : 13,285,818.30 = 8,689,250.60 : x
  2. Step 2: Convert to fraction form
    8,857,212.20/13,285,818.30 = 8,689,250.60/x
  3. Step 3: Cross multiply
    8,857,212.20x = 13,285,818.30 × 8,689,250.60
  4. Step 4: Simplify right side
    8,857,212.20x = 115,443,804,634,765.98
  5. Step 5: Solve for x
    x = 115,443,804,634,765.98/8,857,212.20
  6. Step 6: Final answer
    x = 13,033,875.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.